How to set up the magic world nine songs that don't want to receive gang voices?

This setting: First of all, we open the tour of nine singers in the underworld on our mobile phone, and after entering the game interface, click the icon shown by the arrow;

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After expanding the icon, we click the Settings button;

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After entering the settings page, we click the audio settings shown by the arrow and select the button to turn off the background music and sound effects;

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Finally, be sure to turn off the background music and sound effects on the details page.